İmralı Island

Small Turkish island housing a high-security prison

A small Sea of Marmara island in Bursa Province, İmralı is best known for its high-security prison holding Abdullah Öcalan; public access is restricted. Visitors generally view the island from passing ferries, noting the shore and prison buildings.

Main image

İmralı at a Glance#

Address: İmralı Island, Sea of Marmara, Bursa Province, Turkey

Admission: Not open to public (İmralı is a prison island)

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About İmralı#

İmralı is a small island in the Sea of Marmara, administratively part of Bursa Province in Turkey, known primarily for its government-operated prison facility. The island has been used by the state as a high-security detention site in the 20th and 21st centuries.

There are no tourist amenities or public visitor programs on the island; the main feature is the prison compound and associated infrastructure that occupy much of the land area. The facility is heavily restricted and monitored, with maritime access controlled by authorities.

İmralı sits in the Sea of Marmara, south of the Turkish mainland and within the inland sea that separates the Marmara and Aegean regions; it is part of the archipelago of small islands scattered in the Marmara and lies to the south of the Marmara coastline.

  • Access restrictions: The island is used by the Turkish state as a high-security prison site and is subject to strict access restrictions, with no regular tourism or public access permitted.

What to See#

  • High-security prison: A secure, state-operated penitentiary complex occupying much of the island; access is tightly controlled and the facility is not open to the public.

How to Get to İmralı#

İmralı is a small island in the Sea of Marmara that houses a high-security prison; there is no public ferry service and the island is closed to visitors. Access is restricted to authorized government or prison personnel and any travel to the island is by official/state vessel only.

Tips for Visiting İmralı#

  • İmralı is a high‑security prison island and is closed to public visitation - do not plan to land or tour the island.
  • If you want to see İmralı from a safe distance, view it from the Marmara Sea coastline (for example around Bandırma or coastal Marmara towns) rather than attempting any approach by private boat.
  • Avoid any tour operators or individuals who claim they can arrange visits to the island; landing is prohibited and such offers are not legitimate.

Best Time to Visit İmralı#

İmralı is a restricted prison island not open to visitors; if you plan to view it from shore, late spring to early autumn is typically the most pleasant time.

Restricted access (year‑round)
All year · n/a
İmralı is a high‑security prison island and is not open to general visitors; there is effectively no tourist access to the island itself.
Best time to view from the mainland
May-Sep · 10-28°C (Marmara coast typical)
If observing or photographing the island from the mainland, late spring through early autumn offers calmer seas and milder weather for shoreline views.

Weather & Climate near İmralı#

Climate

Temperate climate with warm summers (peaking in July) and cold winters (coldest in January). Temperatures range from 3°C to 27°C. Moderate rainfall (636 mm/year).

Air Quality: AQI 55 Moderate
Best Time to Visit
JulyAugustJune
Temperature & Rainfall
Temperature Range
38°
Warmest Month
-5°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Acceptable 3° - 9° 3° 91 mm overcast 81% 3.5 m/s 0.2 low 9.5h
February Acceptable 3° - 9° 3° 64 mm overcast 80% 3.5 m/s 0.4 low 10.5h
March Acceptable 4° - 11° 5° 61 mm overcast 76% 3.3 m/s 0.7 moderate 11.8h
April Good 8° - 16° 12° 49 mm partly cloudy 74% 2.7 m/s 1.1 high 13.1h
May Very Good 12° - 20° 16° 35 mm partly cloudy 73% 2.6 m/s 1.6 very high 14.3h
June Excellent 16° - 25° 20° 26 mm some cloud 70% 2.7 m/s 2.0 extreme 14.8h
July Ideal 18° - 27° 22° 17 mm mostly sunny 67% 3.1 m/s 2.2 extreme 14.6h
August Ideal 18° - 26° 22° 19 mm mostly sunny 68% 3.3 m/s 1.8 very high 13.6h
September Excellent 15° - 24° 20° 32 mm some cloud 69% 3.0 m/s 1.2 high 12.3h
October Very Good 12° - 19° 16° 56 mm partly cloudy 74% 3.0 m/s 0.7 moderate 11.0h
November Acceptable 7° - 14° 11° 81 mm partly cloudy 77% 2.9 m/s 0.3 low 9.8h
December Acceptable 5° - 11° 6° 105 mm overcast 79% 3.4 m/s 0.2 low 9.2h